Chihuahuas Dressed in Costumes

NEW YORK - FEBRUARY 08: Eli, a Chihuahua form the Upper West Side of Manhattan, poses on the red carpet at the New York Pet Fashion Show at Hotel Pennsylvania ahead of next week's Westminster Kennel Club Dog Show on February 08, 2013 in New York City. The Westminster Kennel Club Dog Show first held in 1877, is the second-longest continuously held sporting event in the U.S., second to the Kentucky Derby. (Photo by Michael Nagle/Getty Images)

A Chihuahua licks a Siberian Husky during the Second National Canine Championship in Santo Domingo de Heredia, in the outskirts of San Jose, on February 27, 2011. More than 147 dogs of differents breeds took part in the event. AFP PHOTO/ Yuri CORTEZ (Photo credit should read YURI CORTEZ/AFP/Getty Images)

Sarah Palin Joins Rolling Thunder Rally In Washington DC

ARLINGTON, VA - MAY 29: Isaiah, a 10-year-old Chihuahua dressed as Gen. George Patton and owned by Buddy Sours of Browntown, Virginia, joins thousands of motorcycle enthusiasts and military veterans in the Pentagon parking lot before the start of 'Rolling Thunder' rally May 29, 2011 in Arlington, Virginia. Isaiah has more the 45,000 miles on a motorcycle and this is his sixth year participating in Rolling Thunder. Although not an official guest, former U.S. Vice presidential candidate and Alaska governor Sarah Palin is expected to participate in today's motorcycle parade from the Pentagon to the National Mall. (Photo by Chip Somodevilla/Getty Images)

A Chihuahua dressed as a pig barks to other dogs during the Philippine Animal Welfare Society's (PAWS) annual Halloween fund raising event entitled "Scaredy Cats and Dogs: Year 8" at the Eastwood Central Plaza in Manila on October 23, 2011. AFP PHOTO/NOEL CELIS (Photo credit should read NOEL CELIS/AFP/Getty Images)

Simon, the Chihuahua, in the staging ar

Simon, the Chihuahua, in the staging area during the 136th Westminster Kennel Club Annual Dog Show held at Madison Square Garden. February 13, 2012. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)

A woman kisses her pet Chihuahua prior t

A woman kisses her pet Chihuahua prior to a competition at the Asia-Pacific Dog Show in Manila on February 24, 2012. The show, organized by the Philippine Canine Club, is being held to promote and encourage love for purebred dogs, and will run until February 26. AFP PHOTO / TED ALJIBE (Photo credit should read TED ALJIBE/AFP/Getty Images)

A man holds a chihuahua dressed in the c

A man holds a chihuahua dressed in the colors of the Belgian flag during a military parade to celebrate Belgium's National Day on July 21, 2012 in Brussels. AFP PHOTO / BELGA / DAVID STOCKMAN
--BELGIUM OUT-- (Photo credit should read DAVID STOCKMAN/AFP/GettyImages)

Dogs Dress Up For Annual Tompkins Square Park Halloween Parade

NEW YORK, NY - OCTOBER 20: Little, a chihuahua, poses as a pirate at the Tompkins Square Halloween Dog Parade on October 20, 2012 in New York City. Hundreds of dog owners festooned their pets for the annual event, the largest of its kind in the United States. (Photo by John Moore/Getty Images)

Dogs Dress Up For Annual Tompkins Square Park Halloween Parade

NEW YORK, NY - OCTOBER 20: Pants, a Chihuahua, poses as a devil at the Tompkins Square Halloween Dog Parade on October 20, 2012 in New York City. Hundreds of dog owners festooned their pets for the annual event, the largest of its kind in the United States. (Photo by John Moore/Getty Images)

Dogs Dress Up For Annual Tompkins Square Park Halloween Parade

NEW YORK, NY - OCTOBER 20: Eli, a Chihuahua, poses as a Thanksgiving turkey at the Tompkins Square Halloween Dog Parade on October 20, 2012 in New York City. Hundreds of dog owners festooned their pets for the annual event, the largest of its kind in the United States. (Photo by John Moore/Getty Images)

"Sunny," a chihuahua, is dressed as a lobster in a pot at a Halloween dog costume parade and contest in Long Beach, California, October 28, 2012. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)

US-HALLOWEEN-DOG-COSTUMES

A chihuahua is dressed as an aviator at a Halloween dog costume parade and contest in Long Beach, California, October 28, 2012. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)

Animal Lovers Converge On Pet Fair

BERLIN, GERMANY - NOVEMBER 02: Anny, a kind of dog called a teacup chihuahua, rides in a baby pram pushed by her owner at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. Exhibitors are showing the latest trends in collars, snacks and other accessories for cats, dogs and other household pets. (Photo by Sean Gallup/Getty Images)

Animal Lovers Converge On Pet Fair

BERLIN, GERMANY - NOVEMBER 02: A chihuahua rides in a bag held by its owner at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. Exhibitors are showing the latest trends in collars, snacks and other accessories for cats, dogs and other household pets. (Photo by Sean Gallup/Getty Images)

Animal Lovers Converge On Pet Fair

BERLIN, GERMANY - NOVEMBER 02: Sarah Heimann arrives with her dog Anny, who is of a breed called called a teacup chihuahua, at the pet trade fair (Heimtiermesse) at Velodrom on November 2, 2012 in Berlin, Germany. Exhibitors are showing the latest trends in collars, snacks and other accessories for cats, dogs and other household pets. (Photo by Sean Gallup/Getty Images)

Animal Lovers Converge On Pet Fair

BERLIN, GERMANY - NOVEMBER 02: Joey, a 14-week-old chihuahua, attends the pet trade fair (Heimtiermesse) at Velodrom with his young owner on November 2, 2012 in Berlin, Germany. Exhibitors are showing the latest trends in collars, snacks and other accessories for cats, dogs and other household pets. (Photo by Sean Gallup/Getty Images)

Westminster Kennel Club Holds Press Conference Ahead Of Dog Show

NEW YORK, NY - FEBRUARY 07: Mia, a Chihuahua , stands at a press conference kicking off the 137th Annual Westminster Kennel Club Dog Show on February 7, 2013 in New York City. This year's event will feature two new breeds, Treeing Walker Coonhounds and Russell Terriers and will take place February 11 and 12. (Photo by Mario Tama/Getty Images)

New York Pet Fashion Show Held Ahead Of Annual Westminster Dog Show

NEW YORK - FEBRUARY 08: Alliyanna, a chihuahua from Alabama, attends the New York Pet Fashion Show at Hotel Pennsylvania ahead of next week's Westminster Kennel Club Dog Show on February 08, 2013 in New York City. The Westminster Kennel Club Dog Show first held in 1877, is the second-longest continuously held sporting event in the U.S., second to the Kentucky Derby. (Photo by Michael Nagle/Getty Images)